Tennessee Code Title 45. Banks and Financial Institutions § 45-3-505

(a) PAYROLL SAVINGS PROGRAMS. An association may contract with any employer with respect to the solicitations, collection, and receipt of savings by payroll deduction to be credited to a designated account or accounts of the employer's employee or employees who voluntarily may participate.

(b) OTHER SAVINGS PROGRAMS. Subject to rules and regulations of the commissioner, an association may contract with any other person or persons, including, but not limited to, educational or charitable institutions, for the participation by the association in any savings plan with the person or persons.

(c) FEDERALLY APPROVED SAVINGS PROGRAMS. Any association insured by the Federal Savings and Loan Insurance Corporation may contract with or enter into any savings program approved by the federal savings and loan insurance corporation.